| Race |
Site |
Cars |
St |
Fin |
# |
Sponsor / Owner |
Chassis / Engine |
Laps |
Money |
Status |
Led |
Points |
Rank |
| 1 | Homestead | 25 | 1 | 6 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 150/150 | 0 | running | 41 | 10 | 5 |
| 2 | Long Beach | 25 | 1 | 7 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 82/82 | 22,500 | running | 30 | 8 | 5 |
| 3 | Jacarepagua | 25 | 13 | 17 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 79/108 | 11,500 | exhaust | 0 | | 6 |
| 4 | Motegi | 24 | 5 | 9 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 200/201 | 17,500 | running | 0 | 4 | 7 |
| 5 | Nazareth | 23 | 5 | 1 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 225/225 | 100,000 | running | 68 | 20 | 3 |
| 6 | Milwaukee | 23 | 4 | 12 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 224/225 | 14,250 | running | 0 | 1 | 6 |
| 7 | Belle Isle | 24 | 4 | 9 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 83/84 | 17,500 | running | 0 | 4 | 4 |
| 8 | Portland | 25 | 2 | 1 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 112/112 | 100,000 | running | 23 | 20 | 2 |
| 9 | Cleveland | 25 | 2 | 14 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 87/100 | 12,500 | crash | 2 | | 3 |
| 10 | Toronto | 25 | 8 | 6 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 112/112 | 25,000 | running | 0 | 8 | 3 |
| 11 | Michigan | 24 | 5 | 18 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 140/250 | 11,250 | crash | 0 | | 4 |
| 12 | Cicero | 24 | 10 | 3 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 225/225 | 50,000 | running | 0 | 14 | 3 |
| 13 | Mid-Ohio | 25 | 1 | 2 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 83/83 | 60,000 | running | 28 | 17 | 2 |
| 14 | Elkhart Lake | 25 | 2 | 25 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 1/50 | 0 | gearbox | 0 | | 3 |
| 15 | Vancouver | 25 | 3 | 5 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 90/90 | 30,000 | running | 2 | 10 | 4 |
| 16 | Laguna Seca | 26 | 2 | 2 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 83/83 | 60,000 | running | 0 | 16 | 1 |
| 17 | Gateway | 25 | 13 | 8 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 235/236 | 20,000 | running | 0 | 5 | 1 |
| 18 | Houston | 25 | 1 | 3 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 100/100 | 50,000 | running | 69 | 16 | 1 |
| 19 | Queensland | 25 | 2 | 23 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 1/59 | 0 | crash | 0 | | 1 |
| 20 | Fontana | 26 | 1 | 3 | 2 | Marlboro (Roger Penske) | Reynard / Honda | 250/250 | 1,050,000 | running | 23 | 15 | 1 |
| Rank is calculated after each race and may not reflect penalties; drivers tied in points are shown with identical ranks. |
20 starts, 2562 of 2825 laps completed (90.7%), 286 laps led
Win: 2 ( 10.0%) Average start: 4.2 Total Winnings: $1,652,000
Podium: 7 ( 35.0%) Average finish: 8.7 (excluding bonuses)
DNF: 5
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